The answers A. C. D. are all physical reactions
The answer is B. Digestion of food
When food is digested it is chemically broken down
Hope this help!
I believe the answer is B
Answer:
Explanation:
Deoxyribonucleic acid (DNA) is hereditary molecule found almost in every cell. Although it is very stable molecule but changes known as mutations may occur in this molecules. Deamination is also a type of mutation.
Deamination:
In deamination amino group is removed from Cytosine and produces uracil in DNA. This rate of conversion occurs about 100 bases per cell per day.
Sequence given in question is
... TACT... .
....ATGA...
After deamination the given sequence becomes
... TAUT... .
....ATAA...
The relationship between the two is harmful and parasitic
The right choice would be A
